MESON Chess Problem Database

Problem Display
PID: 49323 (8/2Q2p2/1p1rp3/4k1N1/1K2P3/5RP1/4n3/2B5 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

New Zealand Mail, 1894

8/2Q2p2/1p1rp3/4k1N1/1K2P3/5RP1/4n3/2B5

#2

7 + 6

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qxd6#
    • 1...Sg1
      • 2.Bb2#
    • 1...Sxg3
      • 2.Bb2#
    • 1...Sf4
      • 2.Bb2#
    • 1...f5
      • 2.Qg7#
  • Tries
    • 1.Sxf7+?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kxe4!
    • 1.Bb2+?
      • 1...Sc3
        • 2.Bxc3#
      • 1...Sd4!
    • 1.Bf4+?
      • 1...Kd4
        • 2.Qxd6#
        • 2.Qc4#
      • 1...Kf6
        • 2.Qxf7#
      • 1...Sxf4!
    • 1.Rf5+?
      • 1...Kd4
        • 2.Qxd6#
        • 2.Qc4#
      • 1...exf5!
  • Keys
    • 1.Rf4!
      • threat
        • 2.Sf3#
      • 1...Kd4
        • 2.Qxd6#
      • 1...Sxf4
        • 2.Bb2#
      • 1...f5
        • 2.Qg7#
      • 1...Sd4
        • 2.Sxf7#
      • 1...Sg1
        • 2.Bb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);N_SPINR(d),S_FLIGHT::QAR2(G),XR(d)
    • S(a);N_GUARD::B(A)
    • S(a);N_GUARD,XP(C)::B(A)
    • P(f);OGATE::QAB(G)
  • Tries
    • Try
      • S(F);CHECK,XP(f)
      • Vars
        • K(b);N_SPINR(d),S_FLIGHT::QAR1(G)
      • Refutation
        • K(b);N_SPINR(d),P-FLIGHT,XP(E)
    • Try
      • B(A);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::B(A),XS(a)
      • Refutation
        • S(a);P_SPINS(a)
    • Try
      • B(A);CHECK
      • Vars
        • K(b);N_SPINR(d),S_FLIGHT::QAR1(G),XP(f)
      • Refutation
        • S(a);XB(A)
    • Try
      • R(B);CHECK
      • Refutation
        • P(e);XR(B)
  • Actual
    • R(B);
    • Threat
      • S(F)
    • Vars
      • K(b);N_SPINR(d),S_FLIGHT::QAR2(G),XR(d)
      • S(a);N_GUARD,XR(B)::B(A)
      • P(f);OGATE::QAB(G)
      • S(a);SBLOCK::S(F),XP(f)
      • S(a);N_GUARD::B(A)
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